About Sarah

IP representation for a variety of industries

Sarah Cassinis drafts and prosecutes domestic and foreign patent applications. Her other experience includes design patent drafting and prosecution, trademark and copyright matters, non-infringement and invalidity opinions, and freedom-to-operate searches. Sarah works with clients in multiple industries, including:

  • Mechanical and electrical
  • Telecommunications
  • Software
  • Medical
  • Semiconductor

She is known for her innovative, effective and efficient work for her clients.

Experience in Action

  • Provides patent, trademark and copyright client counseling and generates opinions regarding non-infringement and freedom-to-operate. Sarah also counsels clients on intellectual property (IP) strategy, including portfolio management, development and assessment of third-party rights.
  • Handles domestic and foreign patent prosecution matters.
  • Participates in adversarial proceedings, including inter partes review, appeals and other proceedings before the Patent Trial and Appeal Board (PTAB).
  • Organizes global assignment projects to update ownership of IP.


  • Obtained patents and registered trademarks for clients in a broad range of industries.

Professional & Civic Activities

  • Colorado Intellectual Property American Inn of Court
  • Colorado Bar Association
  • Douglas County Bar Association
  • Denver Bar Association


Bar Admissions

Court Admissions

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